package cn.adapter3;

/**
 * Created by jt on 2018/3/15.
 */
public class Adapter implements Ps2{
    private Usb usb ;
    public Adapter(Usb usb){
        this.usb = usb ;
    }

    @Override
    public void isPs2() {
        this.usb.idUsb();
    }
}
